论文部分内容阅读
部件包围盒是包围该部件的外接长方体。平面射击线扫描法在飞机易损性评估中用于对飞机进行几何描述,包括飞机(部件)暴露面积、重叠面积的计算与部件间遮挡关系的确定等。缩小射击线网格的大小可以减少几何描述的误差,但增加了计算机的计算时间。基于该事实,提出了一种基于部件包围盒的平面射击线扫描法,并编制了计算机程序,进行算例验证。算例表明,该方法易于实现,而且能够在保证飞机几何描述的精度的同时,提高计算效率。
The component bounding box is an external cuboid that encloses the component. The plane fire line scanning method is used to describe the aircraft geometry in the aircraft vulnerability assessment, including the plane (component) exposure area, the calculation of the overlap area and the determination of the relationship between the components. Reducing the size of the firing line grid can reduce the geometric description of the error, but increases the computational time of the computer. Based on this fact, this paper proposes a plane shot line scanning method based on component bounding box, and compiles a computer program to verify the example. The example shows that this method is easy to implement, and can improve the computational efficiency while ensuring the accuracy of aircraft geometry description.